Riscv GCC 4.9.2无法编译linux 3.14.29

当我使用riscv gcc（verison 4.9.2）编译linux（版本3.14.29）时，出现了一些错误，似乎gcc无法识别一些操作码，我该如何解决？将gcc更改为版本4.6？感谢Riscv GCC 4.9.2无法编译linux 3.14.29

[email protected]:/home/riscv/riscv/linux-3.14.29# make ARCH=riscv 
scripts/kconfig/conf --silentoldconfig Kconfig 
    ...... 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h: Assembler messages: 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:22: Error: Instruction csrc requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:22: Error: Instruction csrc requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:10: Error: Instruction csrr requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:22: Error: Instruction csrc requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:22: Error: Instruction csrc requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:10: Error: Instruction csrr requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:16: Error: Instruction csrs requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:16: Error: Instruction csrs requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:10: Error: Instruction csrr requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:16: Error: Instruction csrs requires absolute expression 
/home/riscv/riscv/linux-3.14.29/arch/riscv/include/asm/irqflags.h:16: Error: Instruction csrs requires absolute expression 
make[1]: *** [init/main.o] Error 1 
make: *** [init] Error 2 

[email protected]:/home/riscv/riscv/linux-3.14.29# riscv64-unknown-elf-gcc --version 
riscv64-unknown-elf-gcc (GCC) 4.9.2 
Copyright (C) 2014 Free Software Foundation, Inc. 
This is free software; see the source for copying conditions. There is NO 
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

来源

2015-04-25 lei

您是否使用riscv-tools的主分支和riscv-linux的主分支？（而不是riscv-gnu-toolchain的主分支，但是riscv-tools master repo指出的任何提交）。 – Chris

是的，我使用riscv-tools的master分支和riscv-linux的master分支，请看下面我的安装步骤 – lei

下面是我安装riscv-tools和linux的步骤，有什么不对吗？ – lei

有一个错配你的仓库（这可能不是你的错）。您可以尝试查看“new_privileged_isa”分支机构，但问题是RISC-V特权SPEC（截至2015年4月30日）仍然不稳定，我们无法保证分支机构的负责人能够一起工作。

来源

2015-04-30 23:07:31 Chris

谢谢你，我会尝试“new_privileged_isa”分支 – lei

检查出“new_privileged_isa”分支为我工作。谢谢。 – plafratt

克里斯，我用下面的方法来安装riscv工具：

git clone https://github.com/riscv/riscv-tools.git 
git submodule update --init --recursive 
./build.sh

，并使用以下方式来获得Linux源代码：

curl https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.14.29.tar.xz | tar -xJ 
cd linux-3.14.29 
git init 
git remote add origin https://github.com/riscv/riscv-linux.git 
git fetch 
git checkout -f -t origin/master

来源

2015-04-26 01:34:31 lei

Riscv GCC 4.9.2无法编译linux 3.14.29

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